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ch6b_dna.chem:
.br
.cstart
# Example file for `chem':
# This originates from Computing Science Technical Report No. 122
# CHEM - A Program for Typesetting Chemical Diagrams: User Manual
# by Jon L. Bentley, Lynn W. Jelinski, Brian W. Kernighan
# <http://cm.bell-labs.com/cm/cs/cstr/122.ps.gz>.
# Copyright (C) 2006-2014 Free Software Foundation, Inc.
# This file is part of `chem', which is part of `groff'.
# `groff' is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License (GPL) version 2 as
# published by the Free Software Foundation.
# `groff' is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# The GPL2 license text is available in the internet at
# <http://www.gnu.org/licenses/gpl-2.0.html>.
########################################################################
P: [
R1: flatring pointing up put N at 1 put N at 4 double 5,1
bond -135 from R1.V4 ; BP
"deoxyribose" rjust with .e at BP.w
R2: ring6 put N at 2 put N at 4 double 1,2 3,4 5,6 with .V6 at R1.V2
pic Conn: R2.V2.ne #because naming is too restricted in pic
bond up from R2.V1 ; N
bond -60 from N ; H
bond 60 from N ; H
]
# thymine
Q: [
R3: ring6 put N at 3 put N at 5 double 1,2
bond up from R3.V1 ; CH3
bond 120 from R3.V3 ; BP
"deoxyribose" ljust with .w at BP.e
double bond down from R3.V4 ; O
double bond -60 from R3.V6 ; O
bond -120 from R3.V5 ; H
] with .O at P.H + (.3,.3)
bond from Q.O.sw to P.H.ne dotted
bond from Q.H.sw to P.Conn dotted
########################################################################
### Emacs settings
# Local Variables:
# mode: Nroff
# End:
.cend
Kontol Shell Bypass